Czarnota, M. Banaś, D. Berset, Michel Chmielewska, D. Dousse, Jean-Claude Hoszowska, Joanna Maillard, Yves-Patrick Mauron, Olivier Pajek, M. Polasik, M. Raboud, Pierre-Alexandre Rzadkiewicz, J. Słabkowska, K. Sujkowski, Z. 2010-02-13 The multiple ionization of the L- and M-shells of Pd by fast oxygen ions has been studied by measuring with high-resolution the satellite structures of the Lα_1,2 X-ray transitions. Relativistic multi-configuration Dirac-Fock (MCDF) calculations were used to interpret the complex X-ray spectrum, allowing to derive the number of L- and M-shell spectator vacancies at the <i>moment of the X-ray emission</i>. After correcting these numbers for the atomic vacancy rearrangement processes that take place prior to the X-ray emission, the ionization probabilities corresponding to the <i>collision time</i> were obtained. The latter were compared to predictions of the semiclassical approximation (SCA) and the geometrical model. The SCA calculations were performed using relativistic hydrogenic and self-consistent Dirac-Hartree-Fock (DHF) electronic wave functions. It was found that the use of the more realistic DHF wave functions in the SCA calculations leads to a much better description of the measured ionization probabilities for both the L- and M-shells. application/pdf https://folia.unifr.ch/global/documents/301453 https://folia.unifr.ch/documents/301453/files/dou_hrx.pdf eng info:eu-repo/semantics/altIdentifier/doi/10.1140/epjd/e2010-00039-2 info:eu-repo/semantics/openAccess License undefined The European Physical Journal D. - 2010, vol. 57, no. 3, p. 321-324 info:eu-repo/classification/udc/53 High-resolution X-ray study of the multiple ionization of Pd atoms by fast oxygen ions http://purl.org/coar/resource_type/c_6501